Year current US$ 1964 9999.99977648258 1965 9999.99977648258 1967 9999.99977648258 1968 39999.9991059303 1969 90000.0035762787 1970 159999.99642372102 1971 310000.002384186 1972 250000 1973 239999.994635582 1974 370000.00476837205 1975 3329999.92370605 1976 2460000.03814697 1977 379999.99523162795 1978 9289999.96185303 1979 2450000.04768372 1980 829999.983310699 1981 540000.021457672 1982 219999.998807907 1983 1299999.95231628 1984 259999.990463257 1985 740000.009536743 1986 -330000.013113022 1987 -709999.978542328 1988 -660000.026226044 1989 -540000.021457672 1990 -759999.990463257 1991 -740000.009536743 1992 -779999.971389771 1993 -670000.016689301 1994 -730000.019073486 1995 -730000.019073486 1996 -709999.978542328 1997 -660000.026226044 1998 -689999.997615814 1999 -600000.023841858 2000 -589999.973773956 2001 -569999.992847443 2002 -620000.004768372 2003 -740000.009536743 2004 -779999.971389771